<!DOCTYPE html>
<html>
<head>
	<title></title>
</head>
<body>

<script type="text/javascript">
	
var checkObject = function () {};

checkObject.checkName = function() {
	console.error('验证姓名');
};

checkObject.checkEmail = function() {
	console.error('验证邮件地址');
}

checkObject.checkPassword = function() {
	console.error('验证密码');
}


console.error(checkObject);

console.error(checkObject.__proto__);

console.error(checkObject.prototype);

checkObject.checkName();
checkObject.checkEmail();
checkObject.checkPassword();

</script>

</body>
</html>